About: http://webisa.webdatacommons.org/444266320

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When it is determined by the zone computer that a vehicle must take some action, such as applying brakes to maintain safety, or changing to a different speed, the zone computer generates a command to this effect.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com